Chert (Flint)
Silicon Dioxide (SiO2)
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (variations include Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Microcrystalline quartz (SiO2)
Chert (Iron-stained)
Chert (SiO2)
Limestone with Secondary Mineralization
Calcium Carbonate (CaCO3)
Asphalt / Bituminous Aggregate
Bituminous mixture (Hydrocarbon-based sediment)
Cardstock (Paper)
Cellulose (C6H10O5)n
Shale
Clastic sedimentary rock (primarily clay and silt minerals)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Microcrystalline quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Aragonite Star Cluster
Aragonite (CaCO3)
Chert (specifically Tan/Gray Chert)
Microcrystalline quartz (SiO2)
Bauxite
Bauxite (mixture of Hydrous Aluminum Oxides)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert
Chert (SiO2)
Chert (variations include Flint or Jasper)
Aphanitic Silica (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert / Microcrystalline Quartz
Silicon Dioxide (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Hematite
Iron (III) oxide (Fe2O3)
Fluorite
Calcium Fluoride (CaF2)
Limonite (Iron Ore)
Limonite (mixture of hydrated iron(III) oxide-hydroxides)
Potassium Feldspar
Orthoclase (KAlSi3O8)
Blue Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Malachite in Host Rock
Malachite - Cu2CO3(OH)2
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Quartz Geode (River Cobble)
Silicon Dioxide (SiO2)
Chert Arrowhead
Microcrystalline Quartz (SiO2)
Agate (Dyed Blue)
SiO2 (Silicon Dioxide)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Goethite / Limonite Gossan
Hydrated Iron Oxide (FeO(OH))
Chert (Flint)
Chert (Cryptocrystalline silicon dioxide, SiO2)